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What types of lasers

are there?

Various types of lasers are used in dentistry. On the one hand there are large and expensive Er:YAG (specialist for hard tissue applications), Nd:YAG (specialist for bacterial reduction) and CO2 lasers (specialist for surgery) which, due to their design, have less flexible mirror arm systems, complex cooling mechanisms and relatively long start-up times. On the other hand there are compact and more cost-effective diode lasers with a wider range of applications, e.g., for minimally invasive surgery, bacterial reduction in periodontology and endodontics as well as low-level laser therapy.

That's why we at Dentsply Sirona opted for diode lasers from the word go.

Laser in dentistry and their specific indications

Diode laser

SiroLaser Blue

Diode laser

Er:YAG laser

Nd:YAG laser

CO2 -Laser

Wavelengths

445nm+ 660nm + 970nm

970nm, 940nm, 810nm

2.940nm

1.064nm

10.600 nm

Model type

Compact model

Compact model

Large model

Large model

Large model

Indications

Surgery
(soft tissue)

Suitable

Partially suitable

Suitable

Unsuitable

Suitable

Hemostasis

Suitable

Suitable

Not suitable

Suitable

Partially suitable

Periodontology

Suitable

Suitable

Partially suitable

Suitable

Suitable

Endodontics

Suitable

Suitable

Not suitable

Suitable

Not suitable

Bacterial infections
(herpes, aphthous
ulcers)

Suitable

Suitable

Partially suitable

Suitable

Suitable

Soft laser therapy
(LLLT )

Suitable

Suitable*

Not suitable

Not suitable

Not suitable

Hard tissue
preparation

Not suitable

Not suitable

Suitable

Not suitable

Suitable**

* only with corresponding functionality
** 1 laser model available on the market

Depending on the laser wavelength and the tissue composition, various physical interactions are induced:

Furthermore, with diode lasers one can differentiate between hard and soft lasers.

Hard lasers trigger a direct reaction with the tissue through absorption. They are used in surgery for bacterial reduction.

Soft lasers do not trigger a direct reaction with the tissue, instead acting at the cellular level deep inside tissues. They are used for pain therapy and photodynamic therapy.

Why should you choose a diode laser?

Get to know how a diode laser works and why you should choose the SiroLaser Blue